<template>
  <view class="login-container">
    <!-- 提示登录的图标 -->
    <uni-icons type="contact-filled" size="100" color="#AFAFAF"></uni-icons>
    <!-- 登录按钮 -->
    <button type="primary" class="btn-login" @click="getUserProfile">一键登录</button>
    <!-- 登录提示 -->
    <view class="tips-text">登录后尽享更多权益</view>
  </view>
</template>

<script>
  import {mapMutations,mapState} from 'vuex'
  export default {
    name: "my-login",
    data() {
      return {

      };
    },
    computed:{
      ...mapState('m_user',['redirectInfo'])
    },
    methods: {
      //获取微信用户的基本信息
      async getUserProfile() {
        //判断是否获取用户信息成功
        await uni.getUserProfile({
          desc: '登录',
          success: (res)=> {
            // console.log(res.userInfo);
            this.updateUserInfo(res.userInfo)
            this.getToken(res)
          },
          fail: ()=> {
            uni.$showMsg('您取消了登录授权！')
          }
        })
        // console.log(res);
      },
      ...mapMutations('m_user',['updateUserInfo','updateToken','updateRedirectInfo']),
      async getToken(info) {
        //获取code值
        const [err,res] = await uni.login().catch(err => err)
        // console.log(res);
        if(err || res.errMsg !== "login:ok") return uni.$showMsg('登陆失败！')
        // console.log(res.code);
        // console.log(info);
        const query = {
          code: res.code,
          encryptedData: info.encryptedData,
          iv: info.iv,
          rawData: info.rawData,
          signature: info.signature
        }
        const {data:loginResult} = await uni.$http.post('https://api-ugo-web.itheima.net/api/public/v1/users/wxlogin',query)
        // if(loginResult.meta.stauts !== 200) return uni.$showMsg('登陆失败') //正确代码
        console.log(loginResult);
        uni.$showMsg('登陆成功')
        // 将token保存到vuex中
        // this.updateToken(loginResult.message.token)  //正确代码
        this.updateToken('Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJ1aWQiOjIzLCJpYXQiOjE1NjQ3MzAwNzksImV4cCI6MTAwMTU2NDczMDA3OH0.YPt-XeLnjV-_1ITaXGY2FhxmCe4NvXuRnRB8OMCfnPo')
        this.navigateBack()
      },
      navigateBack() {
        if(this.redirectInfo && this.redirectInfo.openType == 'switchTab') {
          uni.switchTab({
            url: this.redirectInfo.from,
            complete: ()=> {
              this.updateRedirectInfo(null)
            }
          })
        }
      }
    },
  }
</script>

<style lang="scss">
  .login-container {
    // 登录盒子的样式
    height: 750rpx;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background-color: #f8f8f8;
    position: relative;
    overflow: hidden;

    // 绘制登录盒子底部的半椭圆造型
    &::after {
      content: ' ';
      display: block;
      position: absolute;
      width: 100%;
      height: 40px;
      left: 0;
      bottom: 0;
      background-color: white;
      border-radius: 100%;
      transform: translateY(50%);
    }

    // 登录按钮的样式
    .btn-login {
      width: 90%;
      border-radius: 100px;
      margin: 15px 0;
      background-color: #c00000;
    }

    // 按钮下方提示消息的样式
    .tips-text {
      font-size: 12px;
      color: gray;
    }
  }
</style>
